Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
OPERATING ACTIVITIES:
Net income (loss)	$ 538	$ 539
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	840	865
Provision (benefit) for deferred income taxes	182	142
Equity (earnings) losses	(167)	(174)
Distributions from unconsolidated affiliates	327	316
Net (gain) loss on disposition of equity-method investments (Note 5)	(122)	0
Impairment of equity-method investments (Note 5)	72	0
(Gain) loss on deconsolidation of businesses (Note 5)	2	(62)
Tangible Asset Impairment Charges	76	66
Amortization of stock-based awards	30	30
Cash provided (used) by changes in current assets and liabilities:
Accounts and notes receivable	149	121
Inventories	4	(33)
Other current assets and deferred charges	(16)	(63)
Accounts payable	(98)	(70)
Accrued liabilities	70	(7)
Other, including changes in noncurrent assets and liabilities	(43)	(85)
Net cash provided (used) by operating activities	1,844	1,585
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	(4)	0
Proceeds from long-term debt	720	2,179
Payments of long-term debt	(868)	(1,761)
Proceeds from issuance of common stock	6	11
Proceeds from sale of partial interest in consolidated subsidiary (Note 2)	1,330	0
Common dividends paid	(921)	(563)
Dividends and distributions paid to noncontrolling interests	(68)	(356)
Contributions from noncontrolling interests	32	11
Payments for debt issuance costs	0	(18)
Other – net	(9)	(43)
Net cash provided (used) by financing activities	218	(540)
INVESTING ACTIVITIES:
Capital expenditures (1)	(919)	(1,890)
Dispositions – net	(15)	3
Contributions in aid of construction	18	339
Purchases of businesses, net of cash acquired (Note 2)	(727)	0
Proceeds from dispositions of equity-method investments (Note 5)	485	0
Purchases of and contributions to equity-method investments	(242)	(91)
Other – net	(24)	(30)
Net cash provided (used) by investing activities	(1,424)	(1,669)
Increase (decrease) in cash and cash equivalents	638	(624)
Cash and cash equivalents at beginning of year	168	899
Cash and cash equivalents at end of period	806	275
(1) Increases to property, plant, and equipment	(977)	(1,864)
Changes in related accounts payable and accrued liabilities	58	(26)
Capital expenditures (1)	$ (919)	$ (1,890)